Merge pull request #108 from qbaty/develop

code format
Merge pull request #41 from BE-FE/develop

Develop
Merge pull request #110 from qbaty/develop

add some comments & format
Merge pull request #111 from qbaty/develop

fixed something about event
Merge pull request #42 from BE-FE/develop

Develop
Merge remote-tracking branch 'main/develop' into develop
change offset format
add image preloader
modify comments
change preload
handle merge error
remove some code
handle conflict
Merge remote-tracking branch 'main/develop' into develop
handle merge error
add bind method
Merge pull request #116 from xieyu33333/develop

handle merge error
remove console
Merge pull request #117 from xieyu33333/develop

remove console
完善注释&修改readme